upgrade rxjava
upgrade rxjava

rsudev/c-geo-opensource,auricgoldfinger/cgeo,mucek4/cgeo,auricgoldfinger/cgeo,matej116/cgeo,auricgoldfinger/cgeo,mucek4/cgeo,cgeo/cgeo,pstorch/cgeo,matej116/cgeo,tobiasge/cgeo,superspindel/cgeo,rsudev/c-geo-opensource,superspindel/cgeo,Bananeweizen/cgeo,S-Bartfast/cgeo,matej116/cgeo,tobiasge/cgeo,cgeo/cgeo,kumy/cgeo,Bananeweizen/cgeo,Bananeweizen/cgeo,kumy/cgeo,S-Bartfast/cgeo,pstorch/cgeo,cgeo/cgeo,tobiasge/cgeo,mucek4/cgeo,S-Bartfast/cgeo,rsudev/c-geo-opensource,superspindel/cgeo,pstorch/cgeo,cgeo/cgeo,kumy/cgeo